Here it’s a battle between zombies, you lead a zombie army (blue) to attack opponents (red) and capture their graves. You win the battle when all graves belong to you. You can unleash multiple of attack troops at the same time. To face the increasing hard level, you must upgrade your troops regularly. Practice your strategically thinking on battle as you have a weaker force. Spacebar to unleash. Left click to choose the grave. Ctrl and left click to multiple choose.